发明名称 Light guide panel, back light assembly and display apparatus each having the light guide panel and method of manufacturing the light guide panel
摘要 A light guide panel, back light assembly and display apparatus are provided. According to an aspect of the inventive concept, there is provided the light guide panel which includes a top surface, a bottom surface, and four side surfaces, and one of the four side surfaces may be a light incident surface.
申请公布号 US9618674(B2) 申请公布日期 2017.04.11
申请号 US201414164543 申请日期 2014.01.27
申请人 Samsung Display Co., Ltd. 发明人 Kim Hyoung Joo;Kang Dong Yeon;Kim Rae Young;Song Min Young;Shim Sung Kyu;Lee Sang Duk
分类号 F21V7/04;F21V8/00;B29D11/00 主分类号 F21V7/04
代理机构 Innovation Counsel LLP 代理人 Innovation Counsel LLP
主权项 1. A light guide panel, comprising: a top surface; a bottom surface configured to be opposite to the top surface and facing a reflective sheet; side surfaces connecting the top surface and the bottom surface, the side surfaces including a light incident surface and an opposite surface opposite to the light incident surface, wherein: the bottom surface comprises a flat reference surface and a plurality of diffusion patterns including a plurality of recesses recessed from the flat reference surface and a plurality of protrusions protruding from the flat reference surface and formed along at least parts of circumferences of the recesses; each of the plurality of protrusions includes a first protrusion disposed in a first region with respect to a reference line and a second protrusion disposed in a second region with respect to the reference line, the reference line extending substantially perpendicular to the light incident surface, passing through each of centers of the plurality of recesses and dividing each of the plurality of recesses in half into the first region and the second region; and each of a volume of the second protrusions is less than half each of a volume of the first protrusions, and wherein each of the first regions is disposed at the same one side with respect to the reference line.
地址 KR